240224129 has 2 divisors, whose sum is σ = 240224130. Its totient is φ = 240224128.

The previous prime is 240224113. The next prime is 240224137. The reversal of 240224129 is 921422042.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 191545600 + 48678529 = 13840^2 + 6977^2 .

It is a cyclic number.

It is not a de Polignac number, because 240224129 - 2⁴ = 240224113 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 240224098 and 240224107.

It is not a weakly prime, because it can be changed into another prime (240224189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120112064 + 120112065.

It is an arithmetic number, because the mean of its divisors is an integer number (120112065).

Almost surely, 2^240224129 is an apocalyptic number.

It is an amenable number.

240224129 is a deficient number, since it is larger than the sum of its proper divisors (1).

240224129 is an equidigital number, since it uses as much as digits as its factorization.

240224129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 240224129 is about 15499.1654291449. The cubic root of 240224129 is about 621.6398912568.

The spelling of 240224129 in words is "two hundred forty million, two hundred twenty-four thousand, one hundred twenty-nine".